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  image8on = new Image();
  image8on.src = "/scidiscovery/images/react_1.gif";
  
  image9on = new Image();
  image9on.src = "/scidiscovery/images/dna_1.gif";
  
  image10on = new Image();
  image10on.src = "/scidiscovery/images/lightning_1.gif";

  image11on = new Image();
  image11on.src = "/scidiscovery/images/rainbows_1.gif";
  
  image12on = new Image();
  image12on.src = "/scidiscovery/images/light_1.gif";
  
  image13on = new Image();
  image13on.src = "/scidiscovery/images/grav_1.gif";
  
  image14on = new Image();
  image14on.src = "/scidiscovery/images/radio_1.gif";

 image15on = new Image();
  image15on.src = "/scidiscovery/images/sci_1.gif";

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  image6off.src = "/scidiscovery/images/home_0.gif";

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  image7off.src = "/scidiscovery/images/chem_0.gif";
  
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  image9off.src = "/scidiscovery/images/dna_0.gif";
  
  image10off = new Image();
  image10off.src = "/scidiscovery/images/lightning_0.gif";

  image11off = new Image();
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  image13off.src = "/scidiscovery/images/grav_0.gif";
  
  image14off = new Image();
  image14off.src = "/scidiscovery/images/radio_0.gif";
 
  image15off = new Image();
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}

function turnOn(imageName) {
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}

function turnOff(imageName) {
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}

// -->

